axes or figure properties to their defaults.
reset(h)
reset(h) resets all properties, except Position, of the object with handle h to the properties' default values.
reset(gca) resets the properties of the current axes.
reset(gcf) resets the properties of the current figure.
cla,clf,gca,gcf,hold
(c) Copyright 1994 by The MathWorks, Inc.